Alpena Limestone
(Redirected from Alpena Formation)
| Alpena Formation | |
|---|---|
| Stratigraphic range: Middle Devonian | |
| Type | Formation |
| Unit of | Traverse Group |
| Sub-units | Four Mile Dam Member and Newton Creek Member |
| Underlies | Thunder Bay Limestone |
| Overlies | Long Lake Limestone |
| Location | |
| Region |  Michigan |
| Country |  United States |
The Alpena Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.
References
[edit]- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
| Ph |
|   | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pЄ |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | This article about a specific stratigraphic formation in Michigan is a stub. You can help Wikipedia by expanding it. |